Here is some useful info...copy and paste and
pass along-

** Damage types ***

Angel - All
Amarr Navy - EM/Thermal
Gurista, Mordus, Gallente - Kinetic/Thermal
Blood - EM/Thermal
Sansha - EM/Thermal
Serpentis - Kinetic/Thermal
Mercenary - EM/Thermal/ (Kinetic missiles)
Caldary navy - Kinetic/Thermal
Khanid - EM/Thermal
Zazzmatazz - all types of dmg
Mordus - Kinetic/thermal
Rogue Pirate - EM/Explosive/Kinetic
Odamian - Kin/therm
Rogue Drone - All

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Types of Ammo to use against

Gurista (Caldari) - Kenetic - Thermal
Angel (Minmatar) - Explosive - Kenetic
Blood (Amarr) - EM - Thermal
Sansha (Amarr) - EM - Thermal
Serpentis (Gallente) - Kenetic - Thermal
Khanid (Gallente) - Thermal
Mordus (Caldari) - Kenetic